Ex.1. Перепишите предложения, поставив глагол в указанную видовременную форму, и переведите их. 1) During the World War II, Americans [to live – Past Perfect Active] under a controlled economic system: foodstuffs and essential goods [to ration – Past Continuous Passive], wages and salaries [to freeze – Past Perfect Passive], ceiling prices [to fix – Past Perfect Passive] and strikes [to forbid – Past Perfect Passive]. After the war, with the return to free market system, prices quickly [to increase – Past Indefinite Active]. At the end of 1946, the consumers [to pay – Past Continuous Active] nearly twice as much for food and clothing as such items [to cost – Past Perfect Active] in 1939. 2) Nowadays, a lot of companies [to engage – Present Continuous Active] in electronic commerce by means of the Internet. Detailed information about companies’ products [to put – Present Continuous Passive] on their Web sites, and the customers [to have – Present Indefinite Active] an opportunity to compare qualities and prices of goods proposed by different firms